SWRU372C June 2014 – March 2020 CC3200
The board can be powered by using the on-board micro USB connector. An on-board LDO provides 3.3 V for the CC3200 and the rest of the board to operate. This supply can be isolated from the LDO using the jumpers on the board.
Reference | Usage | Comments |
---|---|---|
J12 | Current measurement | Measures the current flowing into the CC3200 device. |
J13 | Board power | Short: Supply the board power from the on-board LDO.
Open: Supply the board power from the J20 (battery connector) |
J19 | 5-V power | 5-V output from the USB VBUS (has a diode drop of up to 0.4 V) |
J20 | 3.3-V power input | Can be used to power the board from an external 2xAA battery pack. It has in-built reverse voltage protection to prevent the battery from being plugged in the reverse manner. |